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Mar 3, 2026 4:00 AM

Will S&P 500 Open Up Or Down On March 3? Markets On Edge As Middle East Tensions Roil Oil

The S&P 500 closed just above the flatline on Monday after a volatile session as U.S. stocks clawed back early losses following weekend air strikes on Iran. Tech and defense stocks supported the market while airline and cruise names lagged, reflecting rising oil costs and risk-off sentiment.

On Polygon-based (CRYPTO: POL) Polymarket, traders are heavily leaning toward a down open on Tuesday, with the market pricing the S&P 500 to open lower at 93% "Down" versus 7% "Up," on roughly $28,200 in volume.

Why That Number Matters

That bearish lean comes ahead of Wednesday's economic data and ongoing unrest in the Middle East.

At last check, S&P 500 futures were at 6,838.50, down by 49.75 points or 0.72%.

The bigger driver, however, is ...